areanav=new Array("norcal","socal","sandiego","nevada","arizona");
for(i=0;i<areanav.length;i++)  {
  eval("var "+areanav[i]+"_off= new Image();");
  eval(areanav[i]+"_off.src= '/img/home/"+areanav[i]+".gif';");
  eval("var "+areanav[i]+"_on= new Image();");
  eval(areanav[i]+"_on.src= '/img/home/"+areanav[i]+"_on.gif';");
}

function areaSwap(n,act) {
  if(document.images)   {
    eval("document.area_"+areanav[n]+".src="+areanav[n]+"_"+act+".src;");
  }
}